Checkes aggregate methods using following params.
Checkes aggregate methods using following params.
The aggregate method to be checked.
String The result string of method to be checked.
Gets multiple column names using following params.
Gets multiple column names using following params.
The column ids list to obtain the column names.
Input dataframe.
Array[String] The array string of column names.
Gets single column name using following params.
Gets single column name using following params.
The column id to obtain the column name.
Input dataframe.
String The string of column name.
Merges files using following params.
Merges files using following params.
The file source path.
The file destination path.
Unit.
Prints debug information using following params.
Prints debug information using following params. It shows 6 rows by default.
Input dataframe.
Unit.
Prints debug information using following params.
Prints debug information using following params.
Input dataframe.
The number of rows to be shown.
Unit.
Utils object to use in data preprocessing classes.